package redis.clients.jedis.tests;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;

import org.junit.Before;
import org.junit.Test;

import redis.clients.jedis.HostAndPort;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.Response;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPipeline;
import redis.clients.jedis.Tuple;
import redis.clients.jedis.exceptions.JedisDataException;

public class ShardedJedisPipelineTest {

    private static HostAndPort redis1 = HostAndPortUtil.getRedisServers()
	    .get(0);
    private static HostAndPort redis2 = HostAndPortUtil.getRedisServers()
	    .get(1);

    private ShardedJedis jedis;

    @Before
    public void setUp() throws Exception {
	Jedis jedis = new Jedis(redis1.getHost(), redis1.getPort());
	jedis.auth("foobared");
	jedis.flushAll();
	jedis.disconnect();
	jedis = new Jedis(redis2.getHost(), redis2.getPort());
	jedis.auth("foobared");
	jedis.flushAll();
	jedis.disconnect();

	JedisShardInfo shardInfo1 = new JedisShardInfo(redis1.getHost(),
		redis1.getPort());
	JedisShardInfo shardInfo2 = new JedisShardInfo(redis2.getHost(),
		redis2.getPort());
	shardInfo1.setPassword("foobared");
	shardInfo2.setPassword("foobared");
	List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();
	shards.add(shardInfo1);
	shards.add(shardInfo2);
	this.jedis = new ShardedJedis(shards);

    }

    @Test
    public void pipeline() throws UnsupportedEncodingException {
	ShardedJedisPipeline p = jedis.pipelined();
	p.set("foo", "bar");
	p.get("foo");
	List<Object> results = p.syncAndReturnAll();

	assertEquals(2, results.size());
	assertEquals("OK", results.get(0));
	assertEquals("bar", results.get(1));
    }

    @Test
    public void pipelineResponse() {
	jedis.set("string", "foo");
	jedis.lpush("list", "foo");
	jedis.hset("hash", "foo", "bar");
	jedis.zadd("zset", 1, "foo");
	jedis.sadd("set", "foo");

	ShardedJedisPipeline p = jedis.pipelined();
	Response<String> string = p.get("string");
	Response<Long> del = p.del("string");
	Response<String> emptyString = p.get("string");
	Response<String> list = p.lpop("list");
	Response<String> hash = p.hget("hash", "foo");
	Response<Set<String>> zset = p.zrange("zset", 0, -1);
	Response<String> set = p.spop("set");
	Response<Boolean> blist = p.exists("list");
	Response<Double> zincrby = p.zincrby("zset", 1, "foo");
	Response<Long> zcard = p.zcard("zset");
	p.lpush("list", "bar");
	Response<List<String>> lrange = p.lrange("list", 0, -1);
	Response<Map<String, String>> hgetAll = p.hgetAll("hash");
	p.sadd("set", "foo");
	Response<Set<String>> smembers = p.smembers("set");
	Response<Set<Tuple>> zrangeWithScores = p.zrangeWithScores("zset", 0,
		-1);
	p.sync();

	assertEquals("foo", string.get());
	assertEquals(Long.valueOf(1), del.get());
	assertNull(emptyString.get());
	assertEquals("foo", list.get());
	assertEquals("bar", hash.get());
	assertEquals("foo", zset.get().iterator().next());
	assertEquals("foo", set.get());
	assertFalse(blist.get());
	assertEquals(Double.valueOf(2), zincrby.get());
	assertEquals(Long.valueOf(1), zcard.get());
	assertEquals(1, lrange.get().size());
	assertNotNull(hgetAll.get().get("foo"));
	assertEquals(1, smembers.get().size());
	assertEquals(1, zrangeWithScores.get().size());
    }

    @Test(expected = JedisDataException.class)
    public void pipelineResponseWithinPipeline() {
	jedis.set("string", "foo");

	ShardedJedisPipeline p = jedis.pipelined();
	Response<String> string = p.get("string");
	string.get();
	p.sync();
    }

    @Test
    public void canRetrieveUnsetKey() {
	ShardedJedisPipeline p = jedis.pipelined();
	Response<String> shouldNotExist = p.get(UUID.randomUUID().toString());
	p.sync();
	assertNull(shouldNotExist.get());
    }
}
